PVC polyvinyl chloride yibicuruzwa bigabanijwemo PVC-SG3, PVC-SG5, PVC-SG8. Ibicuruzwa bitandukanye bifite imikoreshereze itandukanye. Icyitegererezo cyihariye cyo gukoresha ibyiciro ni: SG-3 ni ya firime, ama shitingi, uruhu, insinga z'insinga nibindi bicuruzwa rusange bigamije ibicuruzwa byoroshye. SG-5 ni ya ...
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